- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄376349 > SG2843M (MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP) CURRENT MODE PWM CONTROLLER PDF資料下載
參數(shù)資料
| 型號(hào)： | SG2843M |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 4/14頁(yè) |
| 文件大?。?/td> | 224K |
| 代理商： | SG2843M |
第1頁(yè)第2頁(yè)第3頁(yè)當(dāng)前第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)
C
U R R E N T
-M
O D E
PWM C
O N T R O L L E R
SG1842/SG1843 Series
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 2000
Rev. 1.6 4/00
4
P
R O D U C T I O N
D
A T A
S
H E E T
E L E C T R I C A L C H A R A C T E R I S T I C S
(Cont'd.)
Under-Voltage Lockout Section
Start Threshold
Parameter
Symbol
Test Conditions
1842
1843
1842
1843
Min. Operation Voltage After Turn-On
PWM Section
Maximum Duty Cycle
Minimum Duty Cycle
Power Consumption Section
Start-Up Current
Operating Supply Current
V
CC
Zener Voltage
V
FB
= V
ISENSE
= 0V
I
CC
= 25mA
Notes: 4. These parameters, although guaranteed, are not 100% tested in
production.
5. Parameter measured at trip point of latch with V
VFB
= 0.
SG3842/43
Units
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
SG2842/43
15
7.8
9
7.0
16
8.4
10
7.6
17
9.0
11
8.3
15
7.8
9
7.0
16
8.4
10
7.6
17
9.0
11
8.2
14.5
7.8
8.5
7.0
16
8.4
10
7.6
17.5
9.0
11.5
8.2
V
V
V
V
SG1842/43
93
95
100
0
90
95
100
0
90
95
100
0
%
%
0.5
11
34
1
0.5
11
34
V
COMP
V
ISENSE
1
0.5
11
34
1
mA
mA
V
17
17
17
6. Gain defined as: A =
; 0
≤
V
ISENSE
≤
0.8V.
7. Adjust V
CC
above the start threshold before setting at 15V.
Output Low Level
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
T
J
= 25°C, C
L
= 1nF
T
J
= 25°C, C
L
= 1nF
Output High Level
Rise Time
Fall Time
Current Sense Section
Gain (Notes 5 & 6)
Maximum Input Signal (Note 5)
Power Supply Rejection Ratio (Note 5)
Input Bias Current
Delay to Output (Note 4)
Output Section
V
COMP
= 5V
12
≤
V
CC
≤
25V
PSRR
2.85
0.9
3
1
3.15 2.85
1.1
3
1
3.15 2.85
1.1
3
1
3.15
1.1
V/V
V
dB
μA
ns
0.9
0.9
70
-2
150
70
-2
150
70
-2
150
-10
300
-10
300
-10
300
0.1
1.5
13.5
13.5
50
50
0.4
2.2
0.1
1.5
13.5
13.5
50
50
0.4
2.2
0.1
1.5
13.5
13.5
50
50
0.4
2.2
V
V
V
V
ns
ns
13
12
13
12
13
12
150
150
150
150
150
150
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG2843N | CURRENT MODE PWM CONTROLLER |
| SG2843Y | CURRENT MODE PWM CONTROLLER |
| SG2842D | CURRENT MODE PWM CONTROLLER |
| SG2842DM | CURRENT MODE PWM CONTROLLER |
| SG2842J | CURRENT MODE PWM CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SG2843N | 制造商:Microsemi Corporation 功能描述:SG2843N - Bulk |
| SG2843Y | 制造商:Microsemi Corporation 功能描述:SG2843Y - Bulk |
| SG2844D | 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 200MA 14SOIC - Bulk |
| SG2844DM | 功能描述:IC PWM CURRENT MODE 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 輸出隔離:隔離 頻率范圍:61kHz ~ 71kHz 輸入電壓:9.4 V ~ 28 V 輸出電壓:12V 功率（瓦特）:- 工作溫度:-40°C ~ 125°C 封裝/外殼:SC-74，SOT-457 供應(yīng)商設(shè)備封裝:6-TSOP 包裝:帶卷 (TR) |
| SG2844J | 制造商:Microsemi Corporation 功能描述:SG2844J - Bulk |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。